Observation information
- date-obs: 2020-03-17
- time-obs: 10:17:38.308200000
- date-end: 2020-03-17
- time-end: 12:25:55.306700000
- obs_id: A07_067T01_9000003578
- exposure: 3655.83008128
- sourceid: Mrk 493
- observer: samuzal_astrosat
- ra_pnt: 239.7901
- dec_pnt: 35.02988
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A07_067T01_9000003578_24161cztM0_level2.evt
| modeM0/AS1A07_067T01_9000003578_24161cztM0_level2_quad_clean.evt
|
| Size (bytes) | 473,489,280 | 83,373,120 |
| Size | 451.6 MB
| 79.5 MB
|
| Events in quadrant A | 3,377,736 | 514,930 |
| Events in quadrant B | 3,590,592 | 519,788 |
| Events in quadrant C | 3,499,349 | 506,657 |
| Events in quadrant D | 3,401,984 | 501,433 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 8 | 0 |
| B | 0 | 8 | 0 |
| C | 0 | 8 | 0 |
| D | 0 | 8 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 140 | 0 |
| B | 0 | 140 | 0 |
| C | 0 | 140 | 0 |
| D | 0 | 140 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14115 | 1 |
| B | 0 | 14681 | 1 |
| C | 0 | 14431 | 1 |
| D | 0 | 14394 | 1 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6917 | 59 | 0.852971% |
| B | 6918 | 125 | 1.806881% |
| C | 6918 | 84 | 1.214224% |
| D | 6918 | 36 | 0.520382% |
Noise dominated fraction
Noise dominated data is calculated using 1-second bins in cleaned event files. If a bin has >2000 counts, and if more than 50% of those come from <1% of pixels, then it is considered to be noise-dominated and hence unusable.
| Quadrant |
# 1 sec bins |
Bins with >0 counts |
Bins with >2000 counts |
High rate bins dominated by noise |
Noise dominated (total time) |
Noise dominated (detector-on time) |
Marked lightcurve |
| A | 7697 | 6918 | 0 | 0 | 0.00% | 0.00% |  |
| B | 7698 | 6919 | 56 | 56 | 0.73% | 0.81% |  |
| C | 7698 | 6919 | 4 | 4 | 0.05% | 0.06% |  |
| D | 7698 | 6919 | 2 | 2 | 0.03% | 0.03% |  |
Top noisy pixels
Top three noisy pixels from each quadrant. If the there are fewer than three noisy pixels in the level2.evt file, extra rows are filled as -1
| Pixel properties |
Quadrant properties |
| Quadrant |
DetID |
PixID |
Counts |
Sigma |
Mean |
Median |
Sigma |
| A | 13 | 254 | 11618 | 61.3 | 875 | 858 | 175.5 |
| A | 0 | 226 | 7805 | 39.58 | 875 | 858 | 175.5 |
| A | 3 | 137 | 7501 | 37.84 | 875 | 858 | 175.5 |
| B | 0 | 245 | 180832 | 1096.83 | 862 | 842 | 164.1 |
| B | 12 | 111 | 19635 | 114.52 | 862 | 842 | 164.1 |
| B | 11 | 111 | 17153 | 99.4 | 862 | 842 | 164.1 |
| C | 14 | 238 | 133589 | 688.08 | 832 | 838 | 192.9 |
| C | 2 | 16 | 58695 | 299.89 | 832 | 838 | 192.9 |
| C | 3 | 233 | 42241 | 214.6 | 832 | 838 | 192.9 |
| D | 1 | 52 | 68613 | 327.86 | 852 | 828 | 206.8 |
| D | 8 | 195 | 46878 | 222.73 | 852 | 828 | 206.8 |
| D | 7 | 238 | 28270 | 132.73 | 852 | 828 | 206.8 |
Detector plane histogram (DPH)
Histogram calculated using DETX and DETY for each event in the final _common_clean file
| Quadrant A |
 |
 |
Quadrant B |
| Quadrant D |
 |
 |
Quadrant C |
Count rate plots and images
| Plot type |
Count rate plots |
Images |
Comparison with Poisson distribution
Blue bars denote a histogram of data divided into 1 sec bins.
Red curve is a Poisson curve with rate = median count rate of data. |
 |
 |
Quadrant-wise count rates
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant A
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant B
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant C
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant D
Data is divided into 100 sec bins |
 |
 |
Housekeeping plots
| Parameter |
Plot |
| CZT HV Monitor |  |
| D_VDD |  |
| Temperature 1 |  |
| Veto HV Monitor |  |
| Veto LLD |  |
| Alpha Counter |  |
| _CPM_Rate |  |
| CZT Counter |  |
| +2.5 Volts monitor |  |
| +5 Volts monitor |  |
| _ROLL_ROT |  |
| _Roll_DEC |  |
| _Roll_RA |  |
| Veto Counter |  |